@j_bettany ·
@j_bettany - 22 Mar 2010
Grigoriy Perelman awarded the Millennium Prize for resolution of the Poincaré conjecture – http://bit.ly/9aLp6E
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@j_bettany ·
Grigoriy Perelman awarded the Millennium Prize for resolution of the Poincaré conjecture – http://bit.ly/9aLp6E